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DC Field | Value | Language |
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dc.contributor.author | Maistro, E. L. | - |
dc.contributor.author | Foresti, F. | - |
dc.contributor.author | Oliveira, C. | - |
dc.date.accessioned | 2014-05-27T11:17:55Z | - |
dc.date.accessioned | 2016-10-25T18:13:16Z | - |
dc.date.available | 2014-05-27T11:17:55Z | - |
dc.date.available | 2016-10-25T18:13:16Z | - |
dc.date.issued | 1994-01-01 | - |
dc.identifier | http://www.gmb.org.br/Revistas/V17/v17a25.pdf | - |
dc.identifier.citation | Brazilian Journal of Genetics, v. 17, n. 2, p. 153-156, 1994. | - |
dc.identifier.issn | 0100-8455 | - |
dc.identifier.uri | http://hdl.handle.net/11449/64449 | - |
dc.identifier.uri | http://acervodigital.unesp.br/handle/11449/64449 | - |
dc.description.abstract | Cytogenetic studies performed on 17 specimens (11 females and six males) of Astyanax scabripinnis paranae from the Cascatinha stream showed that this population has 2n = 50 chromosomes (8M + 22SM + 10ST + 10A), two chromosome pairs with NORs and conspicuous C-band positive blocks in the terminal position of the long arm of five chromosome pairs. Three females presented 2n = 51 chromosomes and the extra chromosome was a large metacentric similar in size and morphology to the first chromosome pair in the karyotype. This accessory chromosome was entirely heterochromatic in C-banded metaphases, which permitted its classification as a supernumerary chromosome. Some aspects related to the morphology of such macro B-chromosomes are discussed. | en |
dc.format.extent | 153-156 | - |
dc.language.iso | eng | - |
dc.source | Scopus | - |
dc.subject | animal cell | - |
dc.subject | chromosome analysis | - |
dc.subject | female | - |
dc.subject | fish | - |
dc.subject | karyotype | - |
dc.subject | male | - |
dc.subject | nonhuman | - |
dc.subject | supernumerary chromosome | - |
dc.title | New occurrence of a macro B-chromosome in Astyanax scabripinnis paranae (Pisces, Characiformes, Characidae) | en |
dc.type | outro | - |
dc.contributor.institution | Universidade Estadual Paulista (UNESP) | - |
dc.description.affiliation | Departamento de Morfologia Instituto de Biociencias UNESP, 18618-000 Botucatu, SP | - |
dc.description.affiliationUnesp | Departamento de Morfologia Instituto de Biociencias UNESP, 18618-000 Botucatu, SP | - |
dc.rights.accessRights | Acesso aberto | - |
dc.identifier.file | 2-s2.0-0028024862.pdf | - |
dc.relation.ispartof | Brazilian Journal of Genetics | - |
dc.identifier.scopus | 2-s2.0-0028024862 | - |
Appears in Collections: | Artigos, TCCs, Teses e Dissertações da Unesp |
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